NDLI: EDTA-mediated morphology and tunable optical properties of Eu$^{3+}$-doped NaY(MoO$_{4}$)$

Content Provider	Springer Nature Link
Author	Yang, Xingxing Fu, Zuoling Zhang, Chunpeng Wu, Zhijian Sheng, Tianqi
Copyright Year	2015
Abstract	Uniform and well-crystallized NaY(MoO$_{4}$)$_{2}$: Eu$^{3+}$ 3D hierarchical flower-like architectures self-assembled from different building blocks have been successfully synthesized by a facile ethylene diamine tetraacetic acid (EDTA)-mediated hydrothermal route. The crystalline phase, size, morphology, and down-conversion luminescence properties were systematically characterized using powder X-ray diffraction, field emission-scanning electron microscopy, photoluminescence (PL) and photoluminescent excitation spectra (PLE), respectively. It was found that the pH value in the initial solution was responsible for the crystal phase determination of final products. The experimental results showed that the amount of EDTA was a key parameter which not only determined their spacial arrangement, but also affected the down-conversion luminescence intensity of the final products. In PL spectrum, a prominent red emission was observed due to the hypersensitive $^{5}$D$_{0}$ → $^{7}$F$_{2}$ transition, and the optimum doping level of Eu$^{3+}$ was 20 %. Two strongest lines at 396 and 467 nm in excitation spectra of these phosphors matched well with the two popular emissions from near ultraviolet and blue GaN-based LEDs, so they could be explored for an efficient red region for white light-emitting diodes.
Starting Page	6659
Ending Page	6666
Page Count	8
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	26
Issue Number	9
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2015-06-03
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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